Home / 124,823.43-172,257.48-71,107.65

Finding the Fourth Proportional to 124,823.43, 172,257.48 and 71,107.65

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Solution

The fourth proportional to 124,823.43, 172,257.48 and 71,107.65 is: 98,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,823.43 : 172,257.48 = 71,107.65 : x
  2. Step 2: Convert to fraction form
    124,823.43/172,257.48 = 71,107.65/x
  3. Step 3: Cross multiply
    124,823.43x = 172,257.48 × 71,107.65
  4. Step 4: Simplify right side
    124,823.43x = 12,248,824,597.72
  5. Step 5: Solve for x
    x = 12,248,824,597.72/124,823.43
  6. Step 6: Final answer
    x = 98,129.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.